From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <ecos-devel-return-1573-listarch-ecos-devel=sources.redhat.com@ecos.sourceware.org>
Received: (qmail 25927 invoked by alias); 7 Aug 2009 12:04:31 -0000
Received: (qmail 25877 invoked by uid 22791); 7 Aug 2009 12:04:29 -0000
X-SWARE-Spam-Status: No, hits=-2.4 required=5.0 	tests=AWL,BAYES_00
X-Spam-Check-By: sourceware.org
Received: from mtaout02-winn.ispmail.ntl.com (HELO mtaout02-winn.ispmail.ntl.com) (81.103.221.48)     by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Fri, 07 Aug 2009 12:04:22 +0000
Received: from aamtaout03-winn.ispmail.ntl.com ([81.103.221.35])           by mtaout02-winn.ispmail.ntl.com           (InterMail vM.7.08.04.00 201-2186-134-20080326) with ESMTP           id <20090807120419.SJIW6611.mtaout02-winn.ispmail.ntl.com@aamtaout03-winn.ispmail.ntl.com>;           Fri, 7 Aug 2009 13:04:19 +0100
Received: from cog.dallaway.org.uk ([86.9.207.237])           by aamtaout03-winn.ispmail.ntl.com           (InterMail vG.2.02.00.01 201-2161-120-102-20060912) with ESMTP           id <20090807120419.RTBU2093.aamtaout03-winn.ispmail.ntl.com@cog.dallaway.org.uk>;           Fri, 7 Aug 2009 13:04:19 +0100
Received: from cog.dallaway.org.uk (cog.dallaway.org.uk [127.0.0.1]) 	by cog.dallaway.org.uk (8.13.8/8.13.8) with ESMTP id n77C4HDm021461; 	Fri, 7 Aug 2009 13:04:17 +0100
Message-ID: <4A7C1841.6070900@dallaway.org.uk>
Date: Fri, 07 Aug 2009 12:04:00 -0000
From: John Dallaway <john@dallaway.org.uk>
User-Agent: Thunderbird 2.0.0.22 (X11/20090625)
MIME-Version: 1.0
To: Uwe Kindler <uwe.kindler@cetoni.de>, Bart Veer <bartv@ecoscentric.com>
CC: ecos-devel@sourceware.org
Subject: Re: Strange __cxa_pure_virtual problem
References: <4A7C118C.20200@cetoni.de>
In-Reply-To: <4A7C118C.20200@cetoni.de>
Content-Type: text/plain; charset=ISO-8859-15
Content-Transfer-Encoding: 7bit
Mailing-List: contact ecos-devel-help@ecos.sourceware.org; run by ezmlm
Precedence: bulk
List-Id: <ecos-devel.ecos.sourceware.org>
List-Subscribe: <mailto:ecos-devel-subscribe@ecos.sourceware.org>
List-Post: <mailto:ecos-devel@ecos.sourceware.org>
List-Help: <mailto:ecos-devel-help@ecos.sourceware.org>, <http://ecos.sourceware.org/lists.html#faqs>
Sender: ecos-devel-owner@ecos.sourceware.org
X-SW-Source: 2009-08/txt/msg00003.txt.bz2

Hi Uwe (and Bart)

Uwe Kindler wrote:

> thank you for the hint.
> 
> I replaced the __cxa_pure_virtual function in infra/pure.cxx by the
> following code
> 
> #include <cxxabi.h>
> 
> extern "C" void
> __cxxabiv1::__cxa_pure_virtual (void)
> {
>     CYG_FAIL("attempt to use a virtual function before object has been
> constructed");
>     for ( ; ; );
> }
> 
> It did not solve the problem.

Hmm. It might be worth trying the older eCos arm-elf toolchain (GCC
3.2.1) to help narrow the search space for this problem.

Bart, do you have any ideas why your implementation of
__cxa_pure_virtual() in CYGPKG_INFRA might be ignored?

John Dallaway